Undated
silver
Seen on objects dated 1828.
silver
Howdens' marks seen with the marks of Andrew Wilkie (1828), A Edmondson (1829, 30), Elder & Co (1831, 32, 35), George Paton (undated)
Silver
6 marks.
Undated
Seen on objects dated 1828.
silver
Howdens' marks seen with the marks of Andrew Wilkie (1828), A Edmondson (1829, 30), Elder & Co (1831, 32, 35), George Paton (undated)
Undated
Seen on objects dated 1849–1862.
silver
Mark not shown by Edinburgh Assay Office Marks Archive but James Howden formed a partnership with his son Andrew in 1848; the partnership had finished by 1864. [ref: research quoted by Edinburgh Assay Office Marks Archive ]
Undated
Seen on objects dated 1829–1848.
silver
Howdens' marks seen with the marks of Andrew Wilkie (1828), A Edmondson (1829, 30), Elder & Co (1831, 32, 35), George Paton (undated)

Undated
Illustrated Edinburgh 1841 hallmark.
Edinburgh
& Co into an oblong rectangle James Howden & Co 1841 hallmark
Undated
Seen on objects dated 1838.
silver
Howdens' marks seen with the marks of Andrew Wilkie (1828), A Edmondson (1829, 30), Elder & Co (1831, 32, 35), George Paton (undated)
Undated
Seen on objects dated 1830–1831.
silver
Howdens' marks seen with the marks of Andrew Wilkie (1828), A Edmondson (1829, 30), Elder & Co (1831, 32, 35), George Paton (undated)
Also known as: James Howden & Son